Home / 209,257.37-288,778.46-113,764.44

Finding the Fourth Proportional to 209,257.37, 288,778.46 and 113,764.44

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Solution

The fourth proportional to 209,257.37, 288,778.46 and 113,764.44 is: 156,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,257.37 : 288,778.46 = 113,764.44 : x
  2. Step 2: Convert to fraction form
    209,257.37/288,778.46 = 113,764.44/x
  3. Step 3: Cross multiply
    209,257.37x = 288,778.46 × 113,764.44
  4. Step 4: Simplify right side
    209,257.37x = 32,852,719,217.14
  5. Step 5: Solve for x
    x = 32,852,719,217.14/209,257.37
  6. Step 6: Final answer
    x = 156,996.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.